犬におけるコカイン誘発の1度目と高度の2度目の心房閉塞:症例報告
Jake Johnson1, Seth Bowden1, Alyson H Fitzgerald1
1Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States.
Frontiers in veterinary science
|September 3, 2025
まとめ
犬のコカイン毒性症は 予想される短動脈律ではなく 胸前動脈 (AV) ブロックのような異常な短動脈律を引き起こします このケースはコカイン中毒の 珍しい心電図異常を示しています
科学分野:
- 獣医心臓科
- 毒理学について
背景:
- コカイン中毒は犬の鼓動不良を よく引き起こします
- コカインの毒性に関する以前の研究は,主に静脈注射薬の実験的な設定を使用した.
- 投与経路により,臨床的な表象は異なる場合があります.
研究 の 目的:
- コカインによる心房閉塞 (AV block) の珍しい症例を報告する.
- コカイン中毒症におけるブラディアルリズムを考慮する重要性を強調する.
主な方法:
- 2歳の男性チワワが 麻痺と無反応を呈している
- 心電図 (ECG) のモニタリング,心臓の集中点の超音波,心臓のバイオマーカー分析 (心臓のトロポニン,NT-プロBNP).
- 尿の毒性検査 違法物質の検診
主要な成果:
- 患者は最初 シヌスブラディカルディアと AV ブロックを発症し,薬剤で治りました.
- 後の心電図は,外出症の無いシナス短心を示した.
- コカイン,コカイン代謝物,ノルフェンタニル,フェンタニルの尿毒性検査は陽性でした.
- 夜間テレメトリーでは,珍しい心室早産症候群が認められた.
結論:
- コカイン誘発の AV ブロックは犬の異常な表現であり,薬物の典型的な共感効果と対照的です.
- 緊急の獣医は,コカイン毒性症の場合,この珍しいが重要な心電図異常を認識する必要があります.
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